camera effects | digicam

After the introduction of the Giroux daguerreotype camera, other manufacturers quickly produced improved variations. Charles Chevalier, who had earlier provided Niépce with lenses, created in 1841 a double-box camera using a half-sized plate for imaging. Chevalier’s camera had a hinged bed, allowing for half of the bed to fold onto the back of the nested box. In addition to having increased portability, the camera had a faster lens, bringing exposure times down to 3 minutes, and a prism at the front of the lens, which allowed the image to be laterally correct.[30] Another French design emerged in 1841, created by Marc Antoine Gaudin. The Nouvel Appareil Gaudin camera had a metal disc with three differently-sized holes mounted on the front of the lens. Rotating to a different hole effectively provided variable f-stops, letting in different amount of light into the camera.[31] Instead of using nested boxes to focus, the Gaudin camera used nested brass tubes.[32] In Germany, Peter Friedrich Voigtländer designed an all-metal camera with a conical shape that produced circular pictures of about 3 inches in diameter. The distinguishing characteristic of the Voigtländer camera was its use of a lens designed by Joseph Petzval.[33] The f/3.5 Petzval lens was nearly 30 times faster than any other lens of the period, and was the first to be made specifically for portraiture. Its design was the most widely used for portraits until Carl Zeiss introduced the anastigmat lens in 1889.[34]
In all of the tests, it was the Panasonic that did the best across the board. It produced the sharpest footage in bright light—capturing small details such as grass and tree bark that add realism to a video; it had the best stabilization; and it generated the least noise in low light. It also did the best job capturing motion, producing smooth, clean video that still contained a good level of detail.
The most obvious of these is the quality, because as anyone who’s attempted to record a performance on their smartphone knows, that’s somewhere your iPhone can falter. A video camera has a lens and sensor that are far, far better than the one in your phone, because both are bigger. The video camera can gather more light, which makes for better quality video when the sun is out and doubly so when things start to dim.


dslr camera

video camera

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Other buttons and sockets are located under the screen, except on the Sony, which has a small joystick next to the screen as the main way to access to the on-screen menus. The Canon and Panasonic offer touchscreens, with the Panasonic duplicating the physical controls for zoom and record, which makes it easier to hit “go” when you’re shooting from funny angles.
Do you have any thoughts on the $100-$150 Chinese knock-offs? They even come with an external mic that some reviews say is surprisingly good. I would like to film more than a week, but I don’t know yet if this is something I will keep doing or if I will discover it’s too much hassle, so I don’t want to spend too much on a camera, but my phone is just an LG Stylo 2 ($240 new), so I don’t think the video or sound quality will be good enough from that.
The recorder writes the video signal onto a recording medium, such as magnetic videotape. Since the record function involves many signal-processing steps, some distortion and noise historically appeared on the stored video; playback of the stored signal did not have the exact characteristics and detail as a live video feed. All camcorders have a recorder-controlling section, allowing the user to switch the recorder into playback mode for reviewing recorded footage, and an image-control section controlling exposure, focus and color balance.
Once a picture is stored in numeric form, you can do all kinds of things with it. Plug your digital camera into your computer, and you can download the images you’ve taken and load them into programs like PhotoShop to edit them or jazz them up. Or you can upload them onto websites, email them to friends, and so on. This is possible because your photographs are stored in digital format and all kinds of other digital gadgets—everything from MP3-playing iPods to cellphones and computers to photo printers—use digital technology too. Digital is a kind of language that all electronic gadgets “speak” today.
DSLRs may be the gold standard for both amateur and professional photographers but that doesn’t mean they’re the right choice for everyone. Here are some things to consider when deciding to invest in a DSLR or high-quality mirrorless camera:
You won’t be able to shoot video with an XTi. You will want to explore some of the newer options in the Rebel lineup. Video shooting as a feature began in that lineup with the T1i/500D. See more here:
Unfortunately, I don’t know enough about the X920 to comment off hand, but has Reviewed both it at the Panasonic W850, which I believe has the same sensor as the V750/770, but with a few more bells and whistles (I might be wrong on that, these things get very confusing). So you can check out a bit of a comparison between the two by looking at the two reviews.
Traditional SLRs struggle when it comes to video autofocus. Contrast-based methods require that the focus point move just beyond the point of crisp focus and come back to it in order to lock on, which can be distracting when refocusing to follow a moving subject. SLR makers have worked to improve this, utilizing lenses with Pulse or Stepping Motors, which are are quieter and smoother during focus, but they’re still not on the same level as most mirrorless cameras.
Short for digital single-lens reflex, DSLR cameras use a mirror behind the camera lens that directs light towards the viewfinder when you’re composing a photo. The mirror quickly swings out of the way when you’re taking a photo, allowing light to travel through the lens to the sensor, creating the photo you see on the display. DSLR cameras are a popular choice for professional, hobbyist, and casual photographers alike.From entry-level and consumer-grade to midrange and professional DSLR cameras, offers a wide selection of cameras for you to choose from. Whether you’re looking for a sleek camera body upgrade that has the latest technology and features, or a starter set that includes an 18-55mm zoom lens and a 55-200mm lens, we carry the top brands and models in the industry, like the popular Canon Rebel series, Nikon DX line, Sony Alpha series, and Pentax K-series, which are great entry-level cameras for beginners. We also carry several full-frame DSLR cameras and the best small cameras from Leica, Canon, Nikon, and other select brands.Browse for your new DSLR cameras from the comfort of home, and use our convenient shopping filters to make the process easier and quicker. Simply choose the megapixels, display size, viewfinder type, sensor type, and other attributes you prefer, and we’ll generate a list of products that fit your needs. You can also filter by image stabilization, brands, condition, and average customer review to find your camera match.The world of DSLR cameras doesn’t have to be confusing, even if you have many questions. You can find answers to your questions and explore the type, model, or brand of camera you need when you check out our DSLR buying guide. We also provide camera and lens reviews, discussion forums, and sample image galleries for you to browse.For the perfect gift for yourself or the budding photographer in your life check out our great selection of DSLR cameras at
You may not think that you’ll be doing a lot of nighttime shooting, but it doesn’t take much of a dip in light levels for low-light performance to become important. Recording a birthday party at night, indoors? Or a family dinner? Off trick or treating? Or the ubiquitous school play? In all these cases, you need a video camera that will still deliver smooth motion and clean footage, where you can see all the details of what’s going on around you.
For pro sports, you’ll see bigger cameras on the sidelines. They don’t pack as much resolution as SLRs used to cover weddings and events, but they fire off images at much higher burst rates—usually about 10fps with continuous tracking and exposure. Sony has an intriguing alternative out there in the mirrorless space, the a9. Lighter and less expensive than competing SLRs, it locks and fires at an incredible 20fps and records video in 4K.
Most current consumer digital cameras use a Bayer filter mosaic in combination with an optical anti-aliasing filter to reduce the aliasing due to the reduced sampling of the different primary-color images. A demosaicing algorithm is used to interpolate color information to create a full array of RGB image data.
Step back a decade and there was no comparison at all between the rough and clunky snapshot cameras on cellphones and even the most mediocre compact digital cameras. While the digitals were boasting ever-increasing numbers of megapixels, cellphones took crude snaps little better than the ones you could get from a basic webcam (1 megapixel or less was common). Now all that’s changed. The Canon Ixus/Powershot digital camera I use routinely is rated at 7.1 megapixels, which is perfectly fine for almost anything I ever want to do. My new LG smartphone comes in at 13 megapixels, which (theoretically, at least) sounds like it must be twice as good.
Single-shot capture systems use either one sensor chip with a Bayer filter mosaic, or three separate image sensors (one each for the primary additive colors red, green, and blue) which are exposed to the same image via a beam splitter (see Three-CCD camera).
When using lenses designed for full-frame (FX) cameras on DX cameras, the lenses are magnified by 1.5x, making them useful for shooting distant subjects and sports. On an FX-format camera with a DX lens mounted, the camera will automatically engage its built–in DX crop mode, thus recording an image only from the center section of the sensor.
In 2010, after the success of James Cameron’s 2009 3D film Avatar, full 1080p HD 3D camcorders entered the market. With the proliferation of file-based digital formats, the relationship between recording media and recording format has declined; video can be recorded onto different media. With tapeless formats, recording media are storage for digital files.
Obviously, the more features you want, the more you’ll pay, but do you actually need them? Our top camera is one of the cheapest on the market, but still offers impressive performance and image quality, plus enough features to handle most assignments, especially if you’re still learning.
I just emailed you, and because you are so thorough and reliable (really!) I thought I’d ask you why Sony HD R780 seems to have gone out of circulation. Is there any similar product that you’d recomend, t6ghat’s as good but not as expensive?
Canon’s SL1 is a shrunken-down version of the other cameras in the Rebel line. What this means for you is that this is an entry-level DSLR that’s smaller in size than a lot of its competitors. But don’t be fooled by its size. The advantages of the T6i over the SL1 include megapixels, burst speed, and an articulating screen for shooting video but that doesn’t mean the SL1 should be overlooked. This is still a powerful camera that comes in a small package — at a great price. As with all of the cameras in Canon’s Rebel line, beginners will love how accessible the features in this camera are even to a total newbie!
Most modern digital camera backs use CCD or CMOS matrix sensors. The matrix sensor captures the entire image frame at once, instead of incrementing scanning the frame area through the prolonged exposure. For example, Phase One produces a 39 million pixel digital camera back with a 49.1 x 36.8 mm CCD in 2008. This CCD array is a little smaller than a frame of 120 film and much larger than a 35 mm frame (36 x 24 mm). In comparison, consumer digital cameras use arrays ranging from 36 x 24 mm (full frame on high end consumer DSLRs) to 1.28 x 0.96 mm (on camera phones) CMOS sensor.
Can the user extract high quality still frames from MP4 video recorded on these cameras? Would these stills be comparable in quality to images taken by a single shot camera? I read somewhere (I think in reference to the Canon HF R600) that the iris does not close entirely, so that individual frames may be a little blurry.
You probably don’t expect much from a digital camera that costs less than $100, right? Well, listen up, my cynical friend: The Sony W800 is here to change your mind about low-cost digital cameras. Though to be fair, this well-made unit is probably the exception that proves the rule. With a 20.1-megapixel sensor, the W800 snaps crystal-clear images, and it can also record 720p HD video. While 720p is hardly groundbreaking these days, it’s more than enough visual clarity for your kid’s sporting event, your Christmas morning, or to document your success with a Hula -Hoop. The 5x optical zoom won’t have you capturing the expression on a ballplayer’s face from the nosebleeds, but this low-cost digital camera is a fine choice for most casual photographers.
Another thing is that the camera will also charge off of the micro-USB port which is normally used for data transfer. Unfortunately, turning on the camcorder with the micro-USB port connected, the camcorder will go into data transfer mode and you won’t be able to use any of the recording functions. So basically you can use a micro-USB smart phone charger in a pinch. It even trickle charges off of my desktop PC’s USB ports.
Many cameras, especially high-end ones, support a raw image format. A raw image is the unprocessed set of pixel data directly from the camera’s sensor, often saved in a proprietary format. Adobe Systems has released the DNG format, a royalty-free raw image format used by at least 10 camera manufacturers.
“Best” and “for beginners” is usually an oxymoron — and that’s especially true when it comes to high-tech gadgets like cameras. A camera loaded with all the features won’t be much good in the hands of someone who doesn’t know how to use it. There can be a steep learning curve when it comes to photography!
One of the best entry-level DSLRs out there, the EOS Rebel T7i (known as the EOS 800D outside) is an update to the EOS Rebel T6i / 750D. The resolution stays the same, but it’s a new design with an improved high ISO performance. The autofocus also gets a boost over the older model, now with a 45-point arrangement that’s backed up by excellent live view AF system that’s as quick as mirrorless rivals, while the newly designed graphical interface will certainly make this camera even more appealing to new users. The absence of 4K video and the quality of the exterior materials disappoint, but despite this the EOS Rebel T7i / 800D is a great entry into the world of DSLR photography.
While the main specification of the OM-D E-M10 Mark III doesn’t offer a huge upgrade from the Mark II, Olympus has refined and tweaked one of our favorite mirrorless cameras to make it an even more tempting proposition for new users and enthusiasts alike. Some will criticise the smaller Micro Four Thirds sensor format (roughly half the area of APS-C) but the effect on image quality is minor and it means that the lenses are as compact and lightweight as the camera itself. Sporting a 5-axis image stabilization system, decent electronic viewfinder, an impressive 8.6fps burst shooting speed and 4K video, it’s no toy – the E-M10 Mark III is a properly powerful camera.
For budget camcorders, would you say the canon r600 would still be a better choice than a panasonic w570? I like the wifi options very much, but low light shooting and stabilization are most important.
The Leaf shutter or more precisely the in-lens shutter is a shutter contained within the lens structure, often close to the diaphragm consisting of a number of metal leaves which are maintained under spring tension and which are opened and then closed when the shutter is released. The exposure time is determined by the interval between opening and closing. In this shutter design, the whole film frame is exposed at one time. This makes flash synchronisation much simpler as the flash only needs to fire once the shutter is fully open. Disadvantages of such shutters are their inability to reliably produce very fast shutter speeds ( faster than 1/500th second or so) and the additional cost and weight of having to include a shutter mechanism for every lens.
A digital camera (or digicam) is a camera that encodes digital images and videos digitally and stores them for later reproduction.[61] Most cameras sold today are digital,[62] and digital cameras are incorporated into many devices ranging from mobile phones (called camera phones) to vehicles.
The imager converts light into an electrical signal. The camera lens projects an image onto the imager surface, exposing the photosensitive array to light. This light exposure is converted into an electrical charge. At the end of the timed exposure, the imager converts the accumulated charge into a continuous analog voltage at the imager’s output terminals. After the conversion is complete, the photosites reset to start the exposure of the next video frame.
Camcorders are essential for those who enjoy recording precious moments or for making fresh video content. Because these devices come with a wide variety of technical specifications and features, choosing a camcorder can be difficult. With the right digital recorder, however, you can become a home movie maker in no time.
Due to the optical properties of photographic lenses, only objects within a limited range of distances from the camera will be reproduced clearly. The process of adjusting this range is known as changing the camera’s focus. There are various ways of focusing a camera accurately. The simplest cameras have fixed focus and use a small aperture and wide-angle lens to ensure that everything within a certain range of distance from the lens, usually around 3 metres (10 ft) to infinity, is in reasonable focus. Fixed focus cameras are usually inexpensive types, such as single-use cameras. The camera can also have a limited focusing range or scale-focus that is indicated on the camera body. The user will guess or calculate the distance to the subject and adjust the focus accordingly. On some cameras this is indicated by symbols (head-and-shoulders; two people standing upright; one tree; mountains).
This market has followed an evolutionary path driven by miniaturization and cost reduction enabled by progress in design and manufacture. Miniaturization reduces the imager’s ability to gather light; designers have balanced improvements in sensor sensitivity with size reduction, shrinking the camera imager and optics while maintaining relatively noise-free video in daylight. Indoor or dim-light shooting is generally noisy, and in such conditions artificial lighting is recommended. Mechanical controls cannot shrink below a certain size, and manual camera operation has given way to camera-controlled automation for every shooting parameter (including focus, aperture, shutter speed and color balance). The few models with manual override are menu-driven. Outputs include USB 2.0, Composite and S-Video and IEEE 1394/Firewire (for MiniDV models).
All this functionality doesn’t come cheap, though, and the cost of a DSLR can add up, especially when you start factoring in lenses. You also need to remember that you’re buying into a camera system. If your first DSLR is a Canon, chances are that your next one will be as well, simply for the fact that you’ll be able to make use of existing lenses and accessories. Below are the most important aspects to consider when you’re shopping for a digital SLR, as well as the highest-rated models we’ve tested.
The two models above it both cost more than twice as much as the W850, so that’s a considerable feat. TJ Donegan of describes the W850 as a “successful camcorder that nails the core camcorder features while also giving shooters the option of expanding the experience”. He does note some quirks, though: the lack of a 24 frames per second shooting mode and the unpowered hot shoe are his main complaints.
Jump up ^ Pielot, M.; Henze, N.; Nickel, C.; Menke, C.; Smadi, S.; Boll, S. (2008). “Evaluation of Camera Phone Based Interaction to Access Information Related to Posters” (PDF). Proceedings of Mobile Interaction with the Real World. Archived from the original (PDF) on 2011-07-19.
The Leica CL might be forgiven some of its oddities and omissions at a lower price. But if you’ve been waiting for a Leica mirrorless that looks like a traditional Leica and consider its quirks part of the experience, then go forth and spend.
I’ve made some more samples including high speed camera movement, and I have to say the AVCHD 1080/50i looks better than MP4 720/25p in those movements. AVCHD 1080/50i has very fluid motion on the Popcorn Hour C200, it looks really nice.
VR cameras are panoramic cameras that also cover the top and bottom in their field of view. There have also been camera rigs employing multiple cameras to cover the whole 360° by 360° field of view. The most famous VR camera rig is known as ‘Google Jump’.
Don’t worry about the K (or lack thereof), it’s in the official model name, not on the side of the camera. My understanding (though this could be wrong) that the K is used by Panasonic to mark it as a “blacK” model. In cases when the camera comes in multiple colors, there might also be a W version for white, a B version for blue, etc.